Pith Number

pith:NMHGL6T2

pith:2017:NMHGL6T2ZY4C4DBFFD74WPDGLF

not attested not anchored not stored refs pending

A determining form for the subcritical surface quasi-geostrophic equation

Edriss S. Titi, Michael S. Jolly, Tural Sadigov, Vincent R. Martinez

arxiv:1705.01700 v1 · 2017-05-04 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMHGL6T2ZY4C4DBFFD74WPDGLF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:45:04.390067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b0e65fa7ace382e0c2528ffcb3c665952ae5ca37631ee745d02db89b9539ceb

Aliases

arxiv: 1705.01700 · arxiv_version: 1705.01700v1 · doi: 10.48550/arxiv.1705.01700 · pith_short_12: NMHGL6T2ZY4C · pith_short_16: NMHGL6T2ZY4C4DBF · pith_short_8: NMHGL6T2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NMHGL6T2ZY4C4DBFFD74WPDGLF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6b0e65fa7ace382e0c2528ffcb3c665952ae5ca37631ee745d02db89b9539ceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f665e72fac41da363ffbf2e9f9b4306b55ee186918be80cc925c15500f7f024",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-05-04T04:35:35Z",
    "title_canon_sha256": "02f55b80cbcb3816be69034af35398fd1984bc0cbd1f8f16afd1a9fb61dd5b5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01700",
    "kind": "arxiv",
    "version": 1
  }
}